An exploitable denial-of-service vulnerability exists in the IPv4 functionality of Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 16.000, Series B FRN 15.002, Series B FRN 15.000, Series B FRN 14.000, Series B FRN 13.000, Series B FRN 12.000, Series B FRN 11.000 and Series B FRN 10.000. A specially crafted packet can cause a major error, resulting in a denial of service. An attacker can send a malicious packet to trigger this vulnerability.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from rockwellautomation, from rockwellautomation organizations running these solutions should prioritize assessment and patching.
Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2020-12-03T13:15:10.477
2024-11-21T05:35:07.760
Modified
CVSSv3.1: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | rockwellautomation | micrologix_1100_b_firmware | 10.000 | Yes |
| Operating System | rockwellautomation | micrologix_1100_b_firmware | 11.000 | Yes |
| Operating System | rockwellautomation | micrologix_1100_b_firmware | 12.000 | Yes |
| Operating System | rockwellautomation | micrologix_1100_b_firmware | 13.000 | Yes |
| Operating System | rockwellautomation | micrologix_1100_b_firmware | 14.000 | Yes |
| Operating System | rockwellautomation | micrologix_1100_b_firmware | 15.000 | Yes |
| Operating System | rockwellautomation | micrologix_1100_b_firmware | 15.002 | Yes |
| Operating System | rockwellautomation | micrologix_1100_b_firmware | 16.000 | Yes |
| Hardware | rockwellautomation | micrologix_1100 | - | No |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For rockwellautomation's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.